Two Mules for Sister Sara (1970) Directed by Don Siegel
Shirley MacLaine as Sara and Clint Eastwood as Hogan

Sara: Do you have a shovel?Hogan: Yeah. It’s on my pack horse over the hill.Sara: Then would you get it and cover them please? For the sake of my soul if not your own.Hogan: Sister, I don’t mind shootin’ ’em for ya, but I’ll be damned if I’m gonna sweat over ’em for ya.Sara: You’re as stubborn as my mule, you know?Hogan: Worse.